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TFIAM, 25 - 27 May 2005, BerlinTill Spranger Conclusions on Nitrogen CLRTAP effects-based emission abatement policy has been successful for S but not as much for N; it needs to be extended / linked to biodiversity and climate change policies and targets Multi-media and multi-effect research and policy development needed to –reduce uncertainties –link and optimize management and abatement strategies

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NitroEurope Challenges What are the quantitative components of nitrogen budgets for European ecosystems and how do these respond to the drivers of global change? How much does nitrogen control carbon exchange and net greenhouse gas budgets for European terrestrial ecosystems? How could a European N emissions strategy contribute to EU objectives in reducing greenhouse gas emissions?